Base | Representation |
---|---|
bin | 1001100110000101110110… |
… | …01100101011001110000110 |
3 | 2202201010211200012101210202 |
4 | 10303002323030223032012 |
5 | 10231200320111120402 |
6 | 112513114304450502 |
7 | 4305266110641032 |
oct | 463027314531606 |
9 | 82633750171722 |
10 | 21100020020102 |
11 | 67a5517252471 |
12 | 24493aa019a32 |
13 | ba095327b60a |
14 | 52d3642571c2 |
15 | 268cd748db02 |
hex | 1330bb32b386 |
21100020020102 has 32 divisors (see below), whose sum is σ = 32109708493440. Its totient is φ = 10397834052480.
The previous prime is 21100020020083. The next prime is 21100020020119. The reversal of 21100020020102 is 20102002000112.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117717233 + ... + 117896339.
It is an arithmetic number, because the mean of its divisors is an integer number (1003428390420).
Almost surely, 221100020020102 is an apocalyptic number.
21100020020102 is a deficient number, since it is larger than the sum of its proper divisors (11009688473338).
21100020020102 is a wasteful number, since it uses less digits than its factorization.
21100020020102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182036.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 21100020020102 its reverse (20102002000112), we get a palindrome (41202022020214).
The spelling of 21100020020102 in words is "twenty-one trillion, one hundred billion, twenty million, twenty thousand, one hundred two".
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